The investment seeks to provide investors with returns that match those of the MSCI Emerging Markets Investable Market Index - Price Return (MSCI Emerging Markets Price Index). The fund invests at least 80% of its net assets in FLexible EXchange® Options (FLEX Options) that reference the MSCI Emerging Markets Price Index. FLEX Options are exchange-traded options contracts with uniquely customizable terms. The reference asset for all of the fund's FLEX Options is the MSCI Emerging Markets Price Index, a quarterly reviewed index designed to represent the performance of mid- and large-cap securities in emerging market countries. It is non-diversified.